344 lines
12 KiB
C++
344 lines
12 KiB
C++
|
|
static r32 z_ = 0;
|
|
static r32 r_ = 0.3f;
|
|
static r32 quad_verts[] = {
|
|
-r_, -r_, z_, 1.0f, 0, 0,
|
|
r_, -r_, z_, 1.0f, 1, 0,
|
|
r_, r_, z_, 1.0f, 1, 1,
|
|
-r_, r_, z_, 1.0f, 0, 1,
|
|
};
|
|
|
|
static u32 quad_indices[] = {
|
|
0, 1, 2,
|
|
0, 2, 3,
|
|
};
|
|
|
|
static String shader_code_vert_win32 = lit_str(
|
|
"#version 330 core\n"
|
|
"layout (location = 0) in vec4 coordinates;\n"
|
|
"layout (location = 1) in vec2 uv;\n"
|
|
"out vec2 tex_coord;\n"
|
|
"void main(void) {\n"
|
|
" gl_Position = coordinates;\n"
|
|
" tex_coord = uv;\n"
|
|
"}"
|
|
);
|
|
|
|
static String shader_code_vert_wasm = lit_str(
|
|
"precision highp float;\n"
|
|
"attribute vec4 coordinates;\n"
|
|
"attribute vec2 uv;\n"
|
|
"varying vec2 tex_coord;\n"
|
|
"void main(void) {\n"
|
|
" gl_Position = coordinates;\n"
|
|
" tex_coord = uv;\n"
|
|
"}");
|
|
|
|
static String shader_code_frag_win32 = lit_str(
|
|
"#version 330 core\n"
|
|
"in vec2 tex_coord;\n"
|
|
"out vec4 FragColor;\n"
|
|
"uniform sampler2D texture;\n"
|
|
"void main(void) {\n"
|
|
"// FragColor = vec4(1,tex_coord.x,tex_coord.y,1);\n"
|
|
" FragColor = texture(texture, tex_coord);\n"
|
|
"}"
|
|
);
|
|
|
|
static String shader_code_frag_wasm = lit_str(
|
|
"precision highp float;\n"
|
|
"varying vec2 tex_coord;\n"
|
|
"uniform sampler2D texture;\n"
|
|
"void main(void) {\n"
|
|
" gl_FragColor = texture2D(texture, tex_coord);\n"
|
|
" // vec4(1, tex_coord.x, tex_coord.y, 1);\n"
|
|
"}");
|
|
|
|
static u32 pix[] = {
|
|
0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
|
|
0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
|
|
0xFF000000, 0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF,
|
|
0xFFFFFFFF, 0xFF000000, 0xFFFFFFFF, 0xFF000000,
|
|
};
|
|
|
|
void make_quad(Platform_Geometry_Buffer* geo, Platform_Shader* shd, Platform_Texture* tex)
|
|
{
|
|
// TODO(PS): TEMP
|
|
#if defined(PLATFORM_win32)
|
|
String shader_code_vert = shader_code_vert_win32;
|
|
String shader_code_frag = shader_code_frag_win32;
|
|
#elif defined(PLATFORM_wasm)
|
|
String shader_code_vert = shader_code_vert_wasm;
|
|
String shader_code_frag = shader_code_frag_wasm;
|
|
#endif
|
|
|
|
*geo = platform_geometry_buffer_create(
|
|
quad_verts, 24, quad_indices, 6
|
|
);
|
|
|
|
String attribs[] = {
|
|
lit_str("coordinates"),
|
|
lit_str("uv"),
|
|
};
|
|
*shd = platform_shader_create(
|
|
shader_code_vert, shader_code_frag, attribs, 2, 0, 0
|
|
);
|
|
|
|
platform_vertex_attrib_pointer(*geo, *shd, 4, shd->attrs[0], 6, 0);
|
|
platform_vertex_attrib_pointer(*geo, *shd, 2, shd->attrs[1], 6, 4);
|
|
|
|
*tex = platform_texture_create((u8*)pix, 4, 4, 4);
|
|
}
|
|
|
|
internal void
|
|
ed_load_font_cb(Platform_File_Async_Job_Args result, u8* user_data)
|
|
{
|
|
App_State* state = (App_State*)user_data;
|
|
UI* ui = &state->editor->ui;
|
|
|
|
u8* f = result.data.base;
|
|
stbtt_fontinfo font;
|
|
if (!stbtt_InitFont(&font, f, stbtt_GetFontOffsetForIndex(f, 0)))
|
|
{
|
|
invalid_code_path;
|
|
}
|
|
|
|
r32 scale = stbtt_ScaleForPixelHeight(&font, 18.0f);
|
|
s32 ascent, descent, line_gap;
|
|
stbtt_GetFontVMetrics(&font, &ascent, &descent, &line_gap);
|
|
ui->font_ascent = (r32)ascent * scale;
|
|
ui->font_descent = (r32)descent * scale;
|
|
ui->font_line_gap = (r32)line_gap * scale;
|
|
if (ui->font_line_gap == 0) ui->font_line_gap = 5;
|
|
|
|
String c = lit_str("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-=_+[]{}\\|;:'\",<.>/?`~");
|
|
for (u64 i = 0; i < c.len; i++)
|
|
{
|
|
s32 w, h, xoff, yoff;
|
|
u32 id = (u32)c.str[i];
|
|
u8* bp = stbtt_GetCodepointBitmap(&font, 0, scale, (char)c.str[i], &w, &h, &xoff, &yoff);
|
|
s32 x0, y0, x1, y1;
|
|
stbtt_GetCodepointBitmapBoxSubpixel(&font, (char)c.str[i], scale, scale, 0, 0, &x0, &y0, &x1, &y1);
|
|
|
|
v2 offset = v2{ 0, (r32)y0 };
|
|
texture_atlas_register(&state->editor->ui.atlas, bp, (u32)w, (u32)h, id, offset, TextureAtlasRegistration_PixelFormat_Alpha);
|
|
stbtt_FreeBitmap(bp, 0);
|
|
}
|
|
|
|
Texture_Atlas_Sprite m_sprite = texture_atlas_sprite_get(&state->editor->ui.atlas, (u32)'m');
|
|
ui->font_space_width = (r32)(m_sprite.max_x - m_sprite.min_x);
|
|
|
|
platform_texture_update(ui->atlas_texture, ui->atlas.pixels, 1024, 1024, 1024);
|
|
}
|
|
|
|
internal void
|
|
ed_draw_panel(u8* user_data, BSP_Node_Id id, BSP_Node node, BSP_Area area)
|
|
{
|
|
App_State* state = (App_State*)user_data;
|
|
UI* ui = &state->editor->ui;
|
|
scratch_get(scratch);
|
|
|
|
UI_Layout title_layout = {};
|
|
ui_layout_set_row_info(ui, &title_layout);
|
|
title_layout.bounds_min = v2{ area.min.x, area.max.y - title_layout.row_height };
|
|
title_layout.bounds_max = area.max;
|
|
title_layout.at = title_layout.bounds_min;
|
|
|
|
UI_Layout panel_layout = {};
|
|
ui_layout_set_row_info(ui, &panel_layout);
|
|
panel_layout.bounds_min = area.min;
|
|
panel_layout.bounds_max = v2{ area.max.x, title_layout.bounds_max.y };
|
|
panel_layout.at = panel_layout.bounds_min;
|
|
|
|
ui_layout_push(ui, &panel_layout);
|
|
|
|
String title = {};
|
|
switch (node.user_data)
|
|
{
|
|
case 0:
|
|
{
|
|
title = lit_str("None");
|
|
} break;
|
|
|
|
case 1:
|
|
{
|
|
ed_sculpture_visualizer(state);
|
|
title = lit_str("Sculpture");
|
|
} break;
|
|
|
|
invalid_default_case;
|
|
}
|
|
ui_layout_pop(ui);
|
|
|
|
ui_layout_push(ui, &title_layout);
|
|
UI_Widget_Desc bg = {};
|
|
bg.style.flags = UIWidgetStyle_Bg;
|
|
bg.style.color_bg = v4{.4f,.4f,.4f,1};
|
|
bg.style.sprite = WHITE_SPRITE_ID;
|
|
bg.string = string_f(scratch.a, "%.*s_%u_title_bg", str_varg(title), id.value);
|
|
bg.p_min = title_layout.bounds_min;
|
|
bg.p_max = title_layout.bounds_max;
|
|
UI_Widget_Result r = ui_widget_push(ui, bg);
|
|
ui_layout_row_begin(&title_layout, 4);
|
|
{
|
|
ui_text(ui, title, BLACK_V4);
|
|
}
|
|
ui_layout_row_end(&title_layout);
|
|
ui_widget_pop(ui, r.id);
|
|
ui_layout_pop(ui);
|
|
}
|
|
|
|
internal void
|
|
ed_init(App_State* state)
|
|
{
|
|
Editor* editor = allocator_alloc_struct(permanent, Editor);
|
|
state->editor = editor;
|
|
editor->ui = ui_create(4096, 4096, state->input_state, permanent);
|
|
editor->ui.draw_panel_cb = ed_draw_panel;
|
|
editor->ui.draw_panel_cb_data = (u8*)state;
|
|
//bsp_split(&editor->ui.panels, editor->ui.panels.root, 700, BSPSplit_YAxis, 0, 1);
|
|
|
|
// make the default quad for us to draw with
|
|
// TODO(PS): this might be unnecessary with the per-frame buffer we use now
|
|
make_quad(&editor->renderer.geo, &editor->renderer.shd, &editor->renderer.tex);
|
|
|
|
platform_file_async_read(lit_str("data/font.ttf"), ed_load_font_cb);
|
|
|
|
ed_sculpture_visualizer_init(state);
|
|
}
|
|
|
|
internal void
|
|
ed_sculpture_updated(App_State* state, r32 scale, r32 led_size)
|
|
{
|
|
Editor* ed = state->editor;
|
|
if (!ed) return;
|
|
|
|
scratch_get(scratch);
|
|
|
|
// NOTE(PS): we need to know the total number of leds in order to give them
|
|
// texture coordinates
|
|
u32 leds_count = 0;
|
|
for (u32 a = 0; a < state->assemblies.len; a++)
|
|
{
|
|
Assembly_Pixel_Buffer pixels = state->assemblies.pixel_buffers[a];
|
|
leds_count += pixels.len;
|
|
}
|
|
|
|
// round up to a texture whose sides are powers of two
|
|
u32 pixels_dim = (u32)floorf(sqrtf((r32)leds_count));
|
|
pixels_dim = round_up_to_pow2(pixels_dim);
|
|
u32 pixels_count = pixels_dim * pixels_dim;
|
|
r32 texel_dim = 1 / (r32)pixels_dim;
|
|
|
|
// NOTE(PS): Rebuild the sculpture geometry to point to the new
|
|
// sculpture.
|
|
Geo_Vertex_Buffer_Storage storage = (
|
|
GeoVertexBufferStorage_Position |
|
|
GeoVertexBufferStorage_TexCoord
|
|
);
|
|
u32 verts_cap = leds_count * 4;
|
|
u32 indices_cap = leds_count * 6;
|
|
Geo_Quad_Buffer_Builder geo = geo_quad_buffer_builder_create(scratch.a, verts_cap, storage, indices_cap);
|
|
r32 r = led_size;
|
|
|
|
u32 pixels_created = 0;
|
|
for (u32 a = 0; a < state->assemblies.len; a++)
|
|
{
|
|
Assembly_Pixel_Buffer pixels = state->assemblies.pixel_buffers[a];
|
|
for (u32 p = 0; p < pixels.len; p++)
|
|
{
|
|
v3 c = pixels.positions[p].xyz;
|
|
c *= scale;
|
|
|
|
u32 pixel_count = pixels_created++;
|
|
u32 pixel_x = pixel_count % pixels_dim;
|
|
u32 pixel_y = pixel_count / pixels_dim;
|
|
r32 texel_x_min = (r32)pixel_x / (r32)pixels_dim;
|
|
r32 texel_y_min = (r32)pixel_y / (r32)pixels_dim;
|
|
r32 texel_x_max = texel_x_min + texel_dim;
|
|
r32 texel_y_max = texel_y_min + texel_dim;
|
|
|
|
v2 t0 = v2{texel_x_min, texel_y_min};
|
|
v2 t1 = v2{texel_x_max, texel_y_min};
|
|
v2 t2 = v2{texel_x_max, texel_y_max};
|
|
v2 t3 = v2{texel_x_min, texel_y_max};
|
|
|
|
v3 p0 = c + v3{ -r, -r, 0 };
|
|
v3 p1 = c + v3{ r, -r, 0 };
|
|
v3 p2 = c + v3{ r, r, 0 };
|
|
v3 p3 = c + v3{ -r, r, 0 };
|
|
geo_quad_buffer_builder_push(&geo, p0, p1, p2, p3, t0, t1, t2, t3);
|
|
}
|
|
}
|
|
|
|
if (ed->sculpture_geo.indices_len != 0)
|
|
{
|
|
invalid_code_path;
|
|
// TODO(PS): destroy the old geometry buffer or update it
|
|
}
|
|
ed->sculpture_geo = platform_geometry_buffer_create(
|
|
geo.buffer_vertex.values,
|
|
geo.buffer_vertex.len,
|
|
geo.buffer_index.values,
|
|
geo.buffer_index.len
|
|
);
|
|
|
|
platform_vertex_attrib_pointer(
|
|
ed->sculpture_geo, ed->sculpture_shd, 3, ed->sculpture_shd.attrs[0], 5, 0
|
|
);
|
|
platform_vertex_attrib_pointer(
|
|
ed->sculpture_geo, ed->sculpture_shd, 2, ed->sculpture_shd.attrs[1], 5, 3
|
|
);
|
|
|
|
// TODO(PS): make this have enough pixels for the sculpture
|
|
// TODO(PS): map leds to pixels
|
|
|
|
if (ed->sculpture_tex.w != 0)
|
|
{
|
|
invalid_code_path;
|
|
// TODO(PS): destroy the old texture
|
|
}
|
|
|
|
u32* pixels = allocator_alloc_array(scratch.a, u32, pixels_count);
|
|
for (u32 y = 0; y < pixels_dim; y++)
|
|
{
|
|
for (u32 x = 0; x < pixels_dim; x++)
|
|
{
|
|
r32 rp = (r32)y / (r32)pixels_dim;
|
|
r32 bp = (r32)x / (r32)pixels_dim;
|
|
u8 rb = (u8)(255 * rp);
|
|
u8 bb = (u8)(255 * bp);
|
|
u32 c = (
|
|
0xFF0000FF |
|
|
(rb << 8) |
|
|
(bb << 16)
|
|
);
|
|
pixels[(y * pixels_dim) + x] = c;
|
|
}
|
|
}
|
|
ed->sculpture_tex = platform_texture_create((u8*)pixels, pixels_dim, pixels_dim, pixels_dim);
|
|
}
|
|
|
|
internal void
|
|
ed_frame_prepare(App_State* state)
|
|
{
|
|
ui_frame_prepare(&state->editor->ui, state->editor->window_dim);
|
|
}
|
|
|
|
internal void
|
|
ed_frame(App_State* state)
|
|
{
|
|
UI* ui = &state->editor->ui;
|
|
|
|
edr_render_begin(state);
|
|
ui_draw(&state->editor->ui);
|
|
edr_render(state);
|
|
}
|
|
|
|
internal void
|
|
ed_cleanup(App_State* state)
|
|
{
|
|
|
|
}
|
|
|